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Articles de revues sur le sujet « Energy conversion technologie »

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Auteur : Grafiati
Publié le 14 mars 2023

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1

Danso-Boateng, Eric, et Osei-Wusu Achaw. « Bioenergy and biofuel production from biomass using thermochemical conversions technologies—a review ». AIMS Energy 10, no 4 (2022) : 585–647. http://dx.doi.org/10.3934/energy.2022030.

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<abstract> <p>Biofuel and bioenergy production from diverse biomass sources using thermochemical technologies over the last decades has been investigated. The thermochemical conversion pathways comprise dry processes (i.e., torrefaction, combustion, gasification, and pyrolysis), and wet processes (i.e., liquefaction, supercritical water gasification, and hydrothermal carbonisation). It has been found that the thermochemical processes can convert diverse biomass feedstocks to produce bioenergy sources such as direct heat energy, as well as solid, liquid and gaseous biofuels for instance biochar, bio-oil and syngas. However, some of these processes have limitations that impede their large-scale utilisation such low energy efficiency, high costs, and generation of harmful chemicals that cause environmental concerns. Efforts are being made extensively to improve the conversion technologies in order to reduce or solve these problems for energy efficiency improvement. In this review, the emerging developments in the thermochemical techniques for producing biofuel and bioenergy from biomass are presented and evaluated in terms of their technological concepts and projections for implementation. It is suggested that an integration of torrefaction or hydrothermal carbonisation with combustion and/or gasification may optimise biomass energy use efficiency, enhance product quality, and minimise the formation of noxious compounds.</p> </abstract>
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Ramasamy, R. P. « Bioelectrochemical Energy Conversion Technologies ». Interface magazine 24, no 3 (1 janvier 2015) : 53. http://dx.doi.org/10.1149/2.f03153if.

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Hannan, M. A., Ali Q. Al-Shetwi, M. S. Mollik, Pin Jern Ker, M. Mannan, M. Mansor, Hussein M. K. Al-Masri et T. M. Indra Mahlia. « Wind Energy Conversions, Controls, and Applications : A Review for Sustainable Technologies and Directions ». Sustainability 15, no 5 (22 février 2023) : 3986. http://dx.doi.org/10.3390/su15053986.

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The use of renewable energy techniques is becoming increasingly popular because of rising demand and the threat of negative carbon footprints. Wind power offers a great deal of untapped potential as an alternative source of energy. The rising demand for wind energy typically results in the generation of high-quality output electricity through grid integration. More sophisticated contemporary generators, power converters, energy management, and controllers have been recently developed to integrate wind turbines into the electricity system. However, a comprehensive review of the role of converters in the wind system’s power conversion, control, and application toward sustainable development is not thoroughly investigated. Thus, this paper proposes a comprehensive review of the impact of converters on wind energy conversion with its operation, control, and recent challenges. The converters’ impact on the integration and control of wind turbines was highlighted. Moreover, the conversion and implementation of the control of the wind energy power system have been analyzed in detail. Also, the recently advanced converters applications for wind energy conversion were presented. Finally, recommendations for future converters use in wind energy conversions were highlighted for efficient, stable, and sustainable wind power. This rigorous study will lead academic researchers and industry partners toward the development of optimal wind power technologies with improved efficiency, operation, and costs.
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YAMAMOTO, Toshikazu, Koji OGIKUBO et Fujio TODA. « Development of teaching tool to learn energy conversion technology using mass production type Stirling engine ». International Conference on Business & ; Technology Transfer 2010.5 (2010) : 114–19. http://dx.doi.org/10.1299/jsmeicbtt.2010.5.0_114.

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Zhu, Dibin. « Advance Energy Harvesting Technologies ». Energies 15, no 7 (24 mars 2022) : 2366. http://dx.doi.org/10.3390/en15072366.

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Ayub, Muhammad Waqas, Ameer Hamza, George A. Aggidis et Xiandong Ma. « A Review of Power Co-Generation Technologies from Hybrid Offshore Wind and Wave Energy ». Energies 16, no 1 (3 janvier 2023) : 550. http://dx.doi.org/10.3390/en16010550.

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Renewable energy resources such as offshore wind and wave energy are environmentally friendly and omnipresent. A hybrid offshore wind-wave energy system produces a more sustainable form of energy that is not only eco-friendly but also economical and efficient as compared to use of individual resources. The objective of this paper is to give a detailed review of co-generation technologies for hybrid offshore wind and wave energy. The proposed area of this review paper is based on the power conversions techniques, response coupling, control schemes for co-generation and complimentary generation, and colocation and integrated conversion systems. This paper aims to offer a systematic review to cover recent research and development of novel hybrid offshore wind-wave energy (HOWWE) systems. The current hybrid wind-wave energy structures lack efficiency due to their design and AC-DC-AC power conversion that need to be improved by applying an advanced control strategy. Thus, using different power conversion techniques and control system methodologies, the HOWWE structure can be improved and will be transferrable to the other hybrid models such as hybrid solar and wind energy. The state-of-the-art HOWWE systems are reviewed. Critical analysis of each method is performed to evaluate the best possible combination for development of a HOWWE system.
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Keefer, Bowie G., et Douglas M. Ruthven. « Synergies between adsorption and energy conversion technologies ». Adsorption 27, no 2 (29 janvier 2021) : 151–66. http://dx.doi.org/10.1007/s10450-021-00297-w.

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Hasatani, Masanobu. « Highly efficient conversion technologies for energy utilization ». Energy Conversion and Management 38, no 10-13 (juillet 1997) : 931–40. http://dx.doi.org/10.1016/s0196-8904(96)00124-0.

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Weber, H., T. Hamacher et T. Haase. « Network Requirements of Future Energy Conversion Technologies ». IFAC Proceedings Volumes 36, no 20 (septembre 2003) : 369–74. http://dx.doi.org/10.1016/s1474-6670(17)34495-6.

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Murata, Akinobu, et Seijiro Ihara. « A Method of Synthesizing Energy Conversion Technologies from Elementary Conversion Processes ». IEEJ Transactions on Electronics, Information and Systems 114, no 6 (1994) : 689–96. http://dx.doi.org/10.1541/ieejeiss1987.114.6_689.

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Hasanudin, Hasanudin, Wan Ryan Asri, Utari Permatahati, Widia Purwaningrum, Fitri Hadiah, Roni Maryana, Muhammad Al Muttaqii et Muhammad Hendri. « Conversion of crude palm oil to biofuels via catalytic hydrocracking over NiN-supported natural bentonite ». AIMS Energy 11, no 2 (2023) : 197–212. http://dx.doi.org/10.3934/energy.2023011.

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<abstract> <p>Nickel nitride supported on natural bentonite was prepared and tested for hydrocracking Crude Palm Oil (CPO). The catalyst was prepared using the wet impregnation method and various nickel nitride loading. Subsequently, the nickel nitrate-bentonite was calcined and nitrided under H<sub>2</sub> steam. The surface acidity of as-synthesized NiN-bentonite was evaluated using the gravimetric pyridine gas. Meanwhile, the physiochemical features of the catalyst were assessed using XRD, FT-IR and SEM-EDX. The results showed that the NiN species was finely dispersed without affecting the bentonite's structure. Furthermore, the co-existence of Ni and N species on EDX analysis suggested the NiN was successfully supported onto the bentonite, while the surface acidity features of raw bentonite were increased to 1.713 mmol pyridine/g at 8 mEq/g of nickel nitride loading. The catalytic activity towards the CPO hydrocracking demonstrated that the surface acidity features affect the CPO conversion, with the highest conversion achieved (84.21%) using NiN-bentonite 8 mEq/g loading. At all nickel nitride loading, the NiN-bentonite could generate up to 81.98–83.47% of bio-kerosene fraction, followed by the bio-gasoline ranging from 13.12–13.9%, and fuel oil ranging from 2.89–4.57%.</p> </abstract>
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Janna Olmos, Julian David, et Joanna Kargul. « Oxygenic photosynthesis : translation to solar fuel technologies ». Acta Societatis Botanicorum Poloniae 83, no 4 (2014) : 423–40. http://dx.doi.org/10.5586/asbp.2014.037.

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Mitigation of man-made climate change, rapid depletion of readily available fossil fuel reserves and facing the growing energy demand that faces mankind in the near future drive the rapid development of economically viable, renewable energy production technologies. It is very likely that greenhouse gas emissions will lead to the significant climate change over the next fifty years. World energy consumption has doubled over the last twenty-five years, and is expected to double again in the next quarter of the 21st century. Our biosphere is at the verge of a severe energy crisis that can no longer be overlooked. Solar radiation represents the most abundant source of clean, renewable energy that is readily available for conversion to solar fuels. Developing clean technologies that utilize practically inexhaustible solar energy that reaches our planet and convert it into the high energy density solar fuels provides an attractive solution to resolving the global energy crisis that mankind faces in the not too distant future. Nature’s oxygenic photosynthesis is the most fundamental process that has sustained life on Earth for more than 3.5 billion years through conversion of solar energy into energy of chemical bonds captured in biomass, food and fossil fuels. It is this process that has led to evolution of various forms of life as we know them today. Recent advances in imitating the natural process of photosynthesis by developing biohybrid and synthetic “artificial leaves” capable of solar energy conversion into clean fuels and other high value products, as well as advances in the mechanistic and structural aspects of the natural solar energy converters, photosystem I and photosystem II, allow to address the main challenges: how to maximize solar-to-fuel conversion efficiency, and most importantly: how to store the energy efficiently and use it without significant losses. Last but not least, the question of how to make the process of solar energy conversion into fuel not only efficient but also cost effective, therefore attractive to the consumer, should be properly addressed.
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Zhang, Qian, Lakshmi Suresh, Qijie Liang, Yaoxin Zhang, Lin Yang, Nikita Paul et Swee Ching Tan. « Emerging Technologies for Green Energy Conversion and Storage ». Advanced Sustainable Systems 5, no 3 (15 février 2021) : 2000152. http://dx.doi.org/10.1002/adsu.202000152.

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Tovazhnyansky, L. L., V. P. Meshalkin, P. O. Kapustenko, S. I. Bukhkalo, O. P. Arsenyeva et O. Yu Perevertaylenko. « Energy efficiency of complex technologies of phosphogypsum conversion ». Theoretical Foundations of Chemical Engineering 47, no 3 (mai 2013) : 225–30. http://dx.doi.org/10.1134/s0040579513030135.

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Balasingam, Suresh Kannan, Karthick Sivalingam Nallathambi, Mohammed Hussain Abdul Jabbar, Ananthakumar Ramadoss, Sathish Kumar Kamaraj et Manab Kundu. « Nanomaterials for Electrochemical Energy Conversion and Storage Technologies ». Journal of Nanomaterials 2019 (11 avril 2019) : 1–2. http://dx.doi.org/10.1155/2019/1089842.

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Keim, Tom. « Spotlighting Cutting-Edge Energy Conversion Technologies [Society News] ». IEEE Power Electronics Magazine 6, no 1 (mars 2019) : 68–72. http://dx.doi.org/10.1109/mpel.2018.2887059.

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McKendry, Peter. « Energy production from biomass (part 2) : conversion technologies ». Bioresource Technology 83, no 1 (mai 2002) : 47–54. http://dx.doi.org/10.1016/s0960-8524(01)00119-5.

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Adhikari, Santosh, Michael K. Pagels, Jong Yeob Jeon et Chulsung Bae. « Ionomers for electrochemical energy conversion & ; storage technologies ». Polymer 211 (décembre 2020) : 123080. http://dx.doi.org/10.1016/j.polymer.2020.123080.

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19

Sleat, R. « Energy from waste : An evaluation of conversion technologies ». Trends in Biotechnology 4, no 1 (janvier 1986) : 24–25. http://dx.doi.org/10.1016/0167-7799(86)90131-9.

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Oliveira, Luciano Basto, Luiz Roberto Martins Pedroso, Andre Luiz Bufoni et Wagner Victer. « Waste water treatment plant energy conversion technologies comparison ». International Journal of Innovation and Sustainable Development 13, no 3/4 (2019) : 410. http://dx.doi.org/10.1504/ijisd.2019.10020066.

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Oliveira, Luciano Basto, Andre Luiz Bufoni, Luiz Roberto Martins Pedroso et Wagner Victer. « Waste water treatment plant energy conversion technologies comparison ». International Journal of Innovation and Sustainable Development 13, no 3/4 (2019) : 410. http://dx.doi.org/10.1504/ijisd.2019.100417.

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Min Park, Jong, Jeong Heon Lee et Woo-Dong Jang. « Applications of porphyrins in emerging energy conversion technologies ». Coordination Chemistry Reviews 407 (mars 2020) : 213157. http://dx.doi.org/10.1016/j.ccr.2019.213157.

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Powell, Cynthia A., et Bryan D. Morreale. « Materials Challenges in Advanced Coal Conversion Technologies ». MRS Bulletin 33, no 4 (avril 2008) : 309–15. http://dx.doi.org/10.1557/mrs2008.64.

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AbstractCoal is a critical component in the international energy portfolio, used extensively for electricity generation. Coal is also readily converted to liquid fuels and/or hydrogen for the transportation industry. However, energy extracted from coal comes at a large environmental price: coal combustion can produce large quantities of ash and CO2, as well as other pollutants. Advanced technologies can increase the efficiencies and decrease the emissions associated with burning coal and provide an opportunity for CO2 capture and sequestration. However, these advanced technologies increase the severity of plant operating conditions and thus require improved materials that can stand up to the harsh operating environments. The materials challenges offered by advanced coal conversion technologies must be solved in order to make burning coal an economically and environmentally sound choice for producing energy.
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Sinkevich, I., et O. Mаrdupenko. « ANALYSIS OF ALTERNATIVE FUEL PROCESSING TECHNOLOGIES ». Integrated Technologies and Energy Saving, no 3 (12 septembre 2022) : 52–62. http://dx.doi.org/10.20998/2078-5364.2022.3.06.

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The article presents the results of a comparative analysis and experimental testing of the efficiency of technological processes for the processing of some types of alternative energy sources into fuel for transport engines. The accumulated research experience in the development of on-board conversion systems (reactors) of traditional motor fuels shows that the level of their technical and technological complexity is incomparable with the ecological and economic effect of their use in an RTS power plant. The high temperature level of the processing of these fuels necessitates the need for additional energy expenditure for the organization of the conversion process (for example, burning part of the fuel to support the necessary thermal regime of operation in thermochemical reactors), and the presence of sulfur compounds in motor fuel excludes the possibility of using highly efficient catalysts. In addition, the large relative content of inert (non-combustible) components in the composition of the target conversion products create additional difficulties when they are burned in the engine. In general, the choice of an acceptable alternative energy carrier as a raw product for the production of motor fuel is a compromise that takes into account its energy value, temperature conditions of conversion, the spectrum of gases formed during conversion, cost, availability of raw materials, the possibility of adaptation to the conditions of the RTS, etc. From the set of factors considered above, it can be concluded that today methanol is one of the most energetically beneficial sources of cheap and efficient hydrogen-containing fuel for RTS engines. It should be noted that in the future, in the world of technology development and the corresponding raw material bases, it may be economically justified to use other compounds, which, according to their characteristics, will be able to meet the energetically favorable conditions in the technological structure of the on-board conversion implementation. This will allow creating a stable fuel and energy base , which practically does not depend on the imported hydrocarbon fuel.
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Kabeyi, Moses Jeremiah Barasa, et Oludolapo Akanni Olanrewaju. « Technologies for biogas to electricity conversion ». Energy Reports 8 (décembre 2022) : 774–86. http://dx.doi.org/10.1016/j.egyr.2022.11.007.

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Shu, Shuli, et Jamal Chaouki. « Advanced Coal, Biomass and Waste Conversion Technologies ». C — Journal of Carbon Research 6, no 1 (24 février 2020) : 8. http://dx.doi.org/10.3390/c6010008.

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Coal, biomass and waste, which are abundant, are considered to the foremost raw material that can potentially replace the depleting economically-viable oil resources and promote the energy and environment sustainability [...]
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KACHI, TAKESHI, TSUYOSHI YAMAMOTO, TOMOHIKO FURUHATA et NORIO ARAI. « Advanced Energy Conversion Technologies. Views on the Future of Gas Turbine System as Energy Conversion Technology. » KAGAKU KOGAKU RONBUNSHU 26, no 2 (2000) : 142–50. http://dx.doi.org/10.1252/kakoronbunshu.26.142.

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Ji, Anqi, Linjing Jia, Deepak Kumar et Chang Geun Yoo. « Recent Advancements in Biological Conversion of Industrial Hemp for Biofuel and Value-Added Products ». Fermentation 7, no 1 (5 janvier 2021) : 6. http://dx.doi.org/10.3390/fermentation7010006.

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Sustainable, economically feasible, and green resources for energy and chemical products have people’s attention due to global energy demand and environmental issues. Last several decades, diverse lignocellulosic biomass has been studied for the production of biofuels and biochemicals. Industrial hemp has great market potential with its versatile applications. With the increase of the hemp-related markets with hemp seed, hemp oil, and fiber, the importance of hemp biomass utilization has also been emphasized in recent studies. Biological conversions of industrial hemp into bioethanol and other biochemicals have been introduced to address the aforementioned energy and environmental challenges. Its high cellulose content and the increased production because of the demand for cannabidiol oil and hempseed products make it a promising future bioenergy and biochemical source. Effective valorization of the underutilized hemp biomass can also improve the cost-competitiveness of hemp products. This manuscript reviews recent biological conversion strategies for industrial hemp and its characteristics. Current understanding of the industrial hemp properties and applied conversion technologies are briefly summarized. In addition, challenges and future perspectives of the biological conversion with industrial hemp are discussed.
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Li, Liping, Guiyue Du, Beibei Yan, Yuan Wang, Yingxin Zhao, Jianming Su, Hongyi Li et al. « Carbon Footprint Analysis of Sewage Sludge Thermochemical Conversion Technologies ». Sustainability 15, no 5 (25 février 2023) : 4170. http://dx.doi.org/10.3390/su15054170.

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Thermochemical conversion technology for sewage sludge (SS) management has obvious advantages compared to traditional technologies, such as considerable volume reduction, effective pathogen elimination, and potential fuel production. However, few researchers conducted comparative research on the greenhouse gas (GHG) emission performances of these technologies. This paper evaluates the lifecycle carbon footprints of three SS thermochemical conversion technologies, including hydrothermal liquefaction (HTL) (Case 1), pyrolysis (Case 2), and incineration (Case 3) with software OpenLCA and Ecoinvent database. The results show that Case 1 has the smallest carbon footprint (172.50 kg CO2eq/t SS), which indicates the HTL process has the best GHG emission reduction potential compared to other SS disposal routes. The biggest contributor to the carbon footprint of SS thermochemical conversion technologies is indirect emissions related to energy consumption. So the energy consumption ratio (ECR) of the three cases is calculated to assess the energy consumption performances. From the perspective of energy conversion, Case 1 shows the best performance with an ECR of 0.34. In addition, element balance analysis is carried out to deeply evaluate the carbon reduction performance of the three cases. This study fills the knowledge gap regarding the carbon footprints for SS thermochemical conversion technologies and provides a reference for future technology selection and policymaking against climate change in the SS management sector.
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Verma, M., S. Godbout, S. K. Brar, O. Solomatnikova, S. P. Lemay et J. P. Larouche. « Biofuels Production from Biomass by Thermochemical Conversion Technologies ». International Journal of Chemical Engineering 2012 (2012) : 1–18. http://dx.doi.org/10.1155/2012/542426.

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Agricultural biomass as an energy resource has several environmental and economical advantages and has potential to substantially contribute to present days’ fuel demands. Currently, thermochemical processes for agricultural biomass to energy transformation seem promising and feasible. The relative advantage of thermochemical conversion over others is due to higher productivity and compatibility with existing infrastructure facilities. However, the majority of these processes are still under development phase and trying to secure a market share due to various challenges, right from suitable infrastructure, raw material, technical limitations, government policies, and social acceptance. The knowledge at hand suggests that biomass can become a sustainable and major contributor to the current energy demands, if research and development are encouraged in the field of thermochemical conversion for various agricultural biomass types. This paper intends to explore the physical and chemical characteristics of biofuel substitutes of fossil fuels, potential biomass sources, and process parameters for thermochemical conversion.
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Ameel, Timothy A., Ian Papautsky, Robert O. Warrington, Robert S. Wegeng et M. Kevin Drost. « Miniaturization Technologies for Advanced Energy Conversion and Transfer Systems ». Journal of Propulsion and Power 16, no 4 (juillet 2000) : 577–82. http://dx.doi.org/10.2514/2.5642.

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Sheng, Wanan. « Wave energy conversion and hydrodynamics modelling technologies : A review ». Renewable and Sustainable Energy Reviews 109 (juillet 2019) : 482–98. http://dx.doi.org/10.1016/j.rser.2019.04.030.

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Weidenkaff, A., R. Robert, M. Aguirre, L. Bocher, T. Lippert et S. Canulescu. « Development of thermoelectric oxides for renewable energy conversion technologies ». Renewable Energy 33, no 2 (février 2008) : 342–47. http://dx.doi.org/10.1016/j.renene.2007.05.032.

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Lee, Jaeyoung, Beomgyun Jeong et Joey D. Ocon. « Oxygen electrocatalysis in chemical energy conversion and storage technologies ». Current Applied Physics 13, no 2 (mars 2013) : 309–21. http://dx.doi.org/10.1016/j.cap.2012.08.008.

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Opila, E. J. « High Temperature Materials Corrosion Challenges for Energy Conversion Technologies ». Interface magazine 22, no 4 (1 janvier 2013) : 69–73. http://dx.doi.org/10.1149/2.f07134if.

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Situmbeko, Shadreck M., et Freddie L. Inambao. « System and component modelling of a low temperature solar thermal energy conversion cycle ». Journal of Energy in Southern Africa 24, no 4 (1 novembre 2013) : 51–62. http://dx.doi.org/10.17159/2413-3051/2013/v24i4a3146.

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Solar thermal energy (STE) technology refers to the conversion of solar energy to readily usable energy forms. The most important component of a STE technology is the collectors; these absorb the shorter wavelength solar energy (400-700nm) and convert it into usable, longer wavelength (about 10 times as long) heat energy. Depending on the quality (temperature and intensity) of the resulting thermal energy, further conversions to other energy forms such as electrical power may follow. Currently some high temperature STE technologies for electricity production have attained technical maturity; technologies such as parabolic dish (commercially available), parabolic trough and power tower are only hindered by unfavourable market factors including high maintenance and operating costs. Low temperature STEs have so far been restricted to water and space heating; however, owing to their lower running costs and almost maintenance free operation, although operating at lower efficiencies, may hold a key to future wider usage of solar energy. Low temperature STE conversion technology typically uses flat plate and low concentrating collectors such as parabolic troughs to harness solar energy for conversion to mechanical and/or electrical energy. These collector systems are relatively cheaper, simpler in construction and easier to operate due to the absence of complex solar tracking equipment. Low temperature STEs operate within temperatures ranges below 300oC. This research work is geared towards developing feasible low temperature STE conversion technology for electrical power generation. Preliminary small-scale concept plants have been designed at 500Wp and 10KWp. Mathematical models of the plant systems have been developed and simulated on the EES (Engineering Equation Solver) platform. Fourteen candidate working fluids and three cycle configurations have been analysed with the models. The analyses included a logic model selector through which an optimal conversion cycle configuration and working fluid mix was established. This was followed by detailed plant component modelling; the detailed component model for the solar field was completed and was based on 2-dimensional segmented thermal network, heat transfer and thermo fluid dynamics analyses. Input data such as solar insolation, ambient temperature and wind speed were obtained from the national meteorology databases. Detailed models of the other cycle components are to follow in next stage of the research. This paper presents findings of the system and solar field component.
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Kim, Sangmo, Van Quy Hoang et Chung Wung Bark. « Silicon-Based Technologies for Flexible Photovoltaic (PV) Devices : From Basic Mechanism to Manufacturing Technologies ». Nanomaterials 11, no 11 (3 novembre 2021) : 2944. http://dx.doi.org/10.3390/nano11112944.

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Over the past few decades, silicon-based solar cells have been used in the photovoltaic (PV) industry because of the abundance of silicon material and the mature fabrication process. However, as more electrical devices with wearable and portable functions are required, silicon-based PV solar cells have been developed to create solar cells that are flexible, lightweight, and thin. Unlike flexible PV systems (inorganic and organic), the drawbacks of silicon-based solar cells are that they are difficult to fabricate as flexible solar cells. However, new technologies have emerged for flexible solar cells with silicon. In this paper, we describe the basic energy-conversion mechanism from light and introduce various silicon-based manufacturing technologies for flexible solar cells. In addition, for high energy-conversion efficiency, we deal with various technologies (process, structure, and materials).
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Baglio, Vincenzo. « Electrocatalysts for Energy Conversion and Storage Devices ». Catalysts 11, no 12 (6 décembre 2021) : 1491. http://dx.doi.org/10.3390/catal11121491.

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Gu, Yu Jiong, Jing Hua Huang, Li Jun Zhao et Bing Bing Wang. « Progress of Generating Technologies on Oceanic Wave Energy ». Applied Mechanics and Materials 71-78 (juillet 2011) : 2452–57. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.2452.

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Oceanic wave power has drawn wide attention in the field of oceanic energy utilization around the world due to its giant reserves and clean renewable energy. The utilization technologies of wave power have tended to be mature, and are running into or near commercial exploitation level. This paper fully summarizes the basic principle of wave power utilization technologies, especially its multiple energy conversion system. The status of oceanic wave energy conversion technologies and main oceanic wave generating devices around the world are presented. Furthermore, the research and application progress of oceanic wave power generating technologies are illustrated in detail. After all, from the trends and broad prospects, the utilization of wave power is of great importance for the exploitation of oceanic resources in the littorals. It is also vital for the development of islands far away from continents, as well as essential for the combination wave energy and other marine energy resources.
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Benson, Sally M., et Franklin M. Orr. « Sustainability and Energy Conversions ». MRS Bulletin 33, no 4 (avril 2008) : 297–302. http://dx.doi.org/10.1557/mrs2008.257.

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AbstractA sustainable global energy system requires a transition away from energy sources with high greenhouse emissions. Vast energy resources are available to meet our needs, and technology pathways for making this transition exist. Lowering the cost and increasing the reliability and quality of energy from sustainable energy sources will facilitate this transition. Changing the world's energy systems is a huge challenge, but it is one that can be undertaken now with improvements in energy efficiency and with continuing deployment of a variety of technologies. Numerous opportunities exist for research in material sciences to contribute to this global-scale challenge.
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Paula, Taihana, et Maria de Fatima Marques. « Recent advances in polymer structures for organic solar cells : A review ». AIMS Energy 10, no 1 (2022) : 149–76. http://dx.doi.org/10.3934/energy.2022009.

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<abstract> <p>High energy dependence on fossil fuels and an increase in greenhouse gas emissions are factors that highlight the need for alternative energy sources. Photovoltaic technology is a strong candidate that uses the most abundant resource, solar energy, but what makes its wide use difficult is the high cost of the commercially available devices. Thus, research has been devoted to developing new low-cost photovoltaic systems that are easier to manufacture with high efficiency and durability, such as the third-generation solar cells. According to this study, organic solar cells (OPV) with polymers in the active layers are more prominent concerning power conversion efficiency associated with durability, resulting in great research interest. Furthermore, polymer solar cells are easier to process and can be manufactured on a large scale achieving high efficiencies and stability. This review aims to raise the state of the art about these solar cells, discourse their architectures, current developments on polymer structures, and most relevant challenges for OPV devices, as a search for increased efficiency and stability.</p> </abstract>
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Liu, Hongwei, et AbuBakr S. Bahaj. « Status of Marine Current Energy Conversion in China ». International Marine Energy Journal 4, no 1 (20 mai 2021) : 11–23. http://dx.doi.org/10.36688/imej.4.11-23.

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Marine current energy conversion (MCEC) technologies are promising renewable energy systems with some full scale and semi-commercial turbines constructed and deployed in several countries around the world. In this work, we present the status of marine current energy and systems in China and policies geared to support these. Over the past ten years the Chinese government has provided a policy framework and financial supports for the development of MCEC technologies of various design philosophies which has resulted in significant technology deployment at sea. A review of these technologies – which have turbine capacities in the range 20 kW to 650 kW, mostly tested at sea – is presented in the paper. In addition, the paper also discusses Chinese plans for marine energy test sites at sea to support prototype development and testing and concludes with a view of future prospects for the marine energy technology deployment in China.
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Xu, Jian, T. Kyle Vanderlick et David A. LaVan. « Energy Conversion in Protocells with Natural Nanoconductors ». International Journal of Photoenergy 2012 (2012) : 1–10. http://dx.doi.org/10.1155/2012/425735.

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While much nanotechnology leverages solid-state devices, here we present the analysis of designs for hybrid organic-inorganic biomimetic devices, “protocells,” based on assemblies of natural ion channels and ion pumps, “nanoconductors,” incorporated into synthetic supported lipid bilayer membranes. These protocells mimic the energy conversion scheme of natural cells and are able to directly output electricity. The electrogenic mechanisms have been analyzed and designs were optimized using numerical models. The parameters that affect the energy conversion are quantified, and limits for device performance have been found using numerical optimization. The electrogenic performance is compared to conventional and emerging technologies and plotted on Ragone charts to allow direct comparisons. The protocell technologies summarized here may be of use for energy conversion where large-scale ion concentration gradients are available (such as the intersection of fresh and salt water sources) or small-scale devices where low power density would be acceptable.
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Olabi, A. G., Tabbi Wilberforce, Khaled Elsaid, Tareq Salameh, Enas Taha Sayed, Khaled Saleh Husain et Mohammad Ali Abdelkareem. « Selection Guidelines for Wind Energy Technologies ». Energies 14, no 11 (2 juin 2021) : 3244. http://dx.doi.org/10.3390/en14113244.

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The building block of all economies across the world is subject to the medium in which energy is harnessed. Renewable energy is currently one of the recommended substitutes for fossil fuels due to its environmentally friendly nature. Wind energy, which is considered as one of the promising renewable energy forms, has gained lots of attention in the last few decades due to its sustainability as well as viability. This review presents a detailed investigation into this technology as well as factors impeding its commercialization. General selection guidelines for the available wind turbine technologies are presented. Prospects of various components associated with wind energy conversion systems are thoroughly discussed with their limitations equally captured in this report. The need for further optimization techniques in terms of design and materials used for the development of each component is highlighted.
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Ma, Jian-Min, et Yu-Tao Li. « Editorial for advanced energy storage and conversion materials and technologies ». Rare Metals 40, no 2 (12 janvier 2021) : 246–48. http://dx.doi.org/10.1007/s12598-020-01654-4.

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Kazarinov, I. A., M. O. Meshcheryakova et L. V. Karamysheva. « CONVERSION OF WASTES INTO ELECTRICAL ENERGY TROUNGH MICROBIAL ELECTROCHEMICAL TECHNOLOGIES ». Electrochemical Energetics 16, no 4 (2016) : 207–25. http://dx.doi.org/10.18500/1608-4039-2016-16-4-207-225.

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SATO, Mitsunobu, et Ichiro TAKANO. « Introduction : Eco-materials and Energy Conversion Technologies for the Future ». Journal of The Institute of Electrical Engineers of Japan 138, no 4 (2018) : 201–2. http://dx.doi.org/10.1541/ieejjournal.138.201.

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Edel, Matthias, et Daniela Thraen. « The Economic Viability of Wood Energy Conversion Technologies in Germany ». International Journal of Forest Engineering 23, no 2 (décembre 2012) : 102–13. http://dx.doi.org/10.1080/14942119.2012.10739966.

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Ma, Jian-Min, et Yu-Tao Li. « Editorial for advanced energy storage and conversion materials and technologies ». Rare Metals 39, no 9 (30 juillet 2020) : 967–69. http://dx.doi.org/10.1007/s12598-020-01525-y.

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Tian, Qiannan, Qun Guo, Sayyad Nojavan et Xianke Sun. « Robust optimal energy management of data center equipped with multi-energy conversion technologies ». Journal of Cleaner Production 329 (décembre 2021) : 129616. http://dx.doi.org/10.1016/j.jclepro.2021.129616.

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